Format Hexadecimal Number in JavaScript

Firstly convert your number to hexadecimal with leading zeros and then format it by adding dashes.

Example

You can try to run the following code to format hexadecimal number −

Live Demo

<!DOCTYPE html>
<html>
   <body>
      <script>
         var num = 32122;
         var myHex = ("000000000000000" + num.toString(16)).substr(-16);

         var resHex = myHex.substr(0, 8)+'-'+myHex.substr(8,4)+'-'+myHex.substr(12,4);
         document.write(resHex);
      </script>
   </body>
</html>

Output

00000000-0000-7d7a
Updated on: 2020-06-17T06:35:28+05:30

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